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TGA Action ID RC-2026-RN-00161-1
Type of Product Medical Device
Product Name/Description Atellica IM Active-B12 (Holotranscobalamin) (AB12) Assay (100 Test). An in vitro diagnostic medical device (IVD).

Test Code: AB12

Material Number: 10733001

Kit Lot Numbers: 62765105, 62759108, 65207111

Expiry Dates: 31-Mar-2026, 17-Jul-2026, 11-Nov-2026
ARTG Number 175700
Unique Device Identifier (UDI) 00630414245720
Action Type Recall
Action Level Hospital
Hazard Classification Class III
Reason for the Action Siemens Healthineers has confirmed through the investigation of customer complaints that the Atellica IM Active-B12 (Holotranscobalamin) (AB12) Assay kit lots may be impacted by the following problem:

Patient Results Bias: For Atellica IM AB12 Assay kit lots ending in 105, 108, and 111, patient results may demonstrate negative and positive bias. These patient biases may not be detected by Atellica IM Active-B12 Quality Control (AB12 QC).

No patient harm has resulted due to this problem.
Instructions for Customers/Users o For Atellica IM AB12 kit lots ending in 105, 108, and 111: discontinue use immediately and discard the affected kit lot(s).
o Review your inventory to determine your laboratory’s replacement needs and provide information to Siemens Healthineers.
Action Commencement Date 3/03/2026
Responsible Entity Siemens Healthcare Pty Ltd
Contact Information 1800 310 300 - Siemens Customer Care